[U-Boot] [PATCH 00/10] Add Support for UFS subsystem for TI's J721e

[Faiz Abbas]

Hi Tom,

On 09/09/19 8:22 PM, Tom Rini wrote:
> On Mon, Sep 09, 2019 at 01:49:49PM +0530, Faiz Abbas wrote:
>> The following patches add support for the Universal Flash Storage (UFS)
>> subsystem and its implementation on TI's J721e platform.
>>
>> The UFS Application Layer (UAP) uses SCSI SAM-4 command set for
>> communication with the device. Therefore, the first 4 patches prepare
>> the scsi layer for compatibility with UFS. Patch 9 also adds support for
>> initializing and configuring the device from the U-boot command line.
>>
>> The UFS Transport Protocol Layer (UTP) and UFS Interconnect Layer (UIC)
>> are implemented with patch 5. This series only adds support for
>> detect and read/write operations to the LUNs present in the remote
>> device. Task Management operations and configuration of LUNs will be
>> added in a future series.
>>
>> Patches 6 through 10 add platform driver, device tree and config support
>> for TI's J721E devices.
>>
>> Log: https://pastebin.ubuntu.com/p/fTPZsxNjZM/
>>
>> Tested on top of Lokesh's tree:
>> https://github.com/lokeshvutla/u-boot
>> Branch: j721e-full-boot
>>
>> References:
>>
>> [1] JESD220D UFS 3.0:
>> 	https://www.jedec.org/standards-documents/docs/jesd220c
>> [2] JESD223D UFS Host Controller Interface (UFSHCI) version 3.0:
>> 	https://www.jedec.org/standards-documents/docs/jesd223c
>>
>> Faiz Abbas (10):
>>   scsi: Simplify scsi_read()/_write()
>>   scsi: Add max_bytes to scsi_platdata
>>   scsi: Retry inquiry 3 times to overcome Unit Attention condition
>>   scsi: Add dma direction member to command structure
>>   ufs: Add Initial Support for UFS subsystem
>>   ufs: Add Support for Cadence platform UFS driver
>>   ufs: Add glue layer driver for TI J721E devices
>>   arm: dts: k3-j721e-main: Add UFS nodes
>>   cmd: Add Support for UFS commands
>>   configs: j721e_evm_a72: Enable configs for UFS
>>
>>  arch/arm/dts/k3-j721e-main.dtsi |   25 +
>>  cmd/Kconfig                     |    7 +
>>  cmd/Makefile                    |    2 +-
>>  cmd/ufs.c                       |   28 +
>>  configs/j721e_evm_a72_defconfig |    7 +-
>>  drivers/Kconfig                 |    2 +
>>  drivers/Makefile                |    1 +
>>  drivers/scsi/scsi.c             |   83 +-
>>  drivers/ufs/Kconfig             |   23 +
>>  drivers/ufs/Makefile            |    8 +
>>  drivers/ufs/cdns-platform.c     |  122 ++
>>  drivers/ufs/ti-j721e-ufs.c      |   75 ++
>>  drivers/ufs/ufs-uclass.c        |   16 +
>>  drivers/ufs/ufs.c               | 1973 +++++++++++++++++++++++++++++++
>>  drivers/ufs/ufs.h               |  918 ++++++++++++++
>>  drivers/ufs/unipro.h            |  270 +++++
>>  include/dm/uclass-id.h          |    1 +
>>  include/scsi.h                  |    4 +
>>  include/ufs.h                   |    7 +
>>  19 files changed, 3526 insertions(+), 46 deletions(-)
>>  create mode 100644 cmd/ufs.c
>>  create mode 100644 drivers/ufs/Kconfig
>>  create mode 100644 drivers/ufs/Makefile
>>  create mode 100644 drivers/ufs/cdns-platform.c
>>  create mode 100644 drivers/ufs/ti-j721e-ufs.c
>>  create mode 100644 drivers/ufs/ufs-uclass.c
>>  create mode 100644 drivers/ufs/ufs.c
>>  create mode 100644 drivers/ufs/ufs.h
>>  create mode 100644 drivers/ufs/unipro.h
>>  create mode 100644 include/ufs.h
> 
> I'm glad to see this support coming, it's something we need.  Would you
> be willing to list yourself as the maintainer in the top-level
> MAINTAINER file for drivers/ufs at least?  Thanks!
> 

I did add to the MAINTAINER file in patch 5. Was that supposed to be a
separate patch?

Thanks,
Faiz